Climatological Report (Daily)
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964
CDUS46 KSEW 040827
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SAT OCT 04 2025

...................................

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         64    308 PM  80    1993  65     -1       66
  MINIMUM         50    511 AM  39    1949  50      0       44
  AVERAGE         57                        58     -1       55

PRECIPITATION (IN)
  YESTERDAY        0.00          0.67 1997   0.08  -0.08     0.00
  MONTH TO DATE    0.30                      0.24   0.06      T
  SINCE OCT 1      0.30                      0.24   0.06      T
  SINCE JAN 1     16.57                     23.64  -7.07    18.78

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.0                                       0.0
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        8                         7      1       10
  MONTH TO DATE   15                        21     -6       26
  SINCE SEP 1     66                       123    -57      132
  SINCE JUL 1     90                       178    -88      170

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     34                        30      4       42
  SINCE JAN 1    328                       263     65      315
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     3.6


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     63           300 PM
 AVERAGE    82

..........................................................


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        76      1966
 MINIMUM TEMPERATURE (F)   50        38      1957


SUNRISE AND SUNSET
OCTOBER  4 2025.......SUNRISE   713 AM PDT   SUNSET   642 PM PDT
OCTOBER  5 2025.......SUNRISE   714 AM PDT   SUNSET   640 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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